Troubleshooting Checklist
4-8 Troubleshooting
Troubleshooting Checklist

Ifthemoduleisnotworkingproperly,refertoTable 4 2onpage48forachecklistof

problems,possiblecauses,andrecommendedactionstoresolvetheproblem.

Table 4-2 Troubleshooting Checklist

Problem Possible Cause Recommended Action

All LEDs are OFF. Loss of power. Ensure that the DFE module was installed
properly according to the installation
instructions in Chapter 3, and that the
host chassis is providing power.
No Local
Management
Password screen.
Incorrect terminal setup. Refer to the Enterasys Matrix DFE-Gold
Series Configuration Guide for proper
setup procedures.
Improper console cable
pinouts.
Refer to Appendix A for proper COM port
pinouts.
Corrupt firmware image, or
hardware fault.
If possible, attempt to download the
image to the DFE module again. Refer to
Setting the Mode Switches” on page B-2
for instructions to clear NVRAM.
Cannot navigate
beyond Password
screen.
Improper username/ password
combination entered.
If the username/password combination
has been forgotten, refer to “Setting the
Mode Switches” on pageB-2 fo r
instructions on how to set the mode
switch to reset the username/password
combination to the default values.